This adaptor is a convenient travel device that provides four different plug configurations in one unit for grounded electrical connectivity. It works in 150 countries and is suitable for use with most 2-pole and 3-pole plugs; it provides a safe way to plug in and power your portable, grounded devices when you travel. The adaptor can be used with a range of devices including: laptops, MP3 players, digital cameras, mobile phones, PDA's, travel speakers, etc. Comes with a protective ballistic nylon case.